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sweet [91]
3 years ago
6

There are islands in the ocean that are growing larger. The Hawaiian Islands are good examples of this. The reason that the isla

nds were formed and are still growing is A) they were produced by drought. B) they were produced by volcanoes. C) they were produced by hurricanes. D) they were produced by earthquakes.
Chemistry
1 answer:
Inessa [10]3 years ago
5 0
My guess would be "B) they were produced by volcanoes" because hawaii has a bunch of volcanoes and volcanoes can produce extra land. While the other answers wouldn't make sense. Definitely B.
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Answer:

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What is the hydrogen ion concentration of a solution with pH=8.25 ?
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Answer:

The answer is

<h2>5.62 \times  {10}^{ - 9} \:  M</h2>

Explanation:

The pH of a solution can be found by using the formula

pH =  -  log( {H}^{ + } )

where

{H}^{ + } is the hydrogen ion concentration of the solution

From the question

pH = 8.25

The hydrogen ion concentration of the solution is

8.25 =  -  log( {H}^{ + } )

<u>Find antilog of both sides</u>

That's

{H}^{ + }  =  {10}^{ - 8.25}  \\  = 5.62 \times  {10}^{ - 9} \:  M

We have the final answer as

5.62 \times  {10}^{ - 9} \:  M \\

Hope this helps you

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cestrela7 [59]
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Sulfur has an atomic number of 16 what is the ground-state electron configuration of sulfur​
guapka [62]

Answer:

1s2 2s2 2p6 3s2 3p4

Explanation:

For ground state atoms you need to fill the orbitals in order.

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Level 2 has s and p orbitals

Level 3 has s, p and d orbitals

You fill them in order until you reach 16 electrons:

1s2 2s2 2p6 3s2 3p4

5 0
3 years ago
Read 2 more answers
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